Believe it or not, S is a prime number !

More intriguing number facts.

Skip to content
# Category: Series

## Largest prime through the sum of primes raised to their respective prime powers

## Numbers Defying Ceiling and Floor Functions

## Joyful Cubes!

## Unlocking the Fraction

## Math & Art

## A Curious Constant

## Summation Formulas

## φibonacci formula

## When matrices meet Fibonacci

## Perfect “Square” Circle

Believe it or not, S is a prime number !

More intriguing number facts.

Two sequences that agree for an embarrassingly long time.

Read further…

Unraveling the mathematical euphoria of N = 2³+3³+4³+5³+6³+7³+8³+9³

Continue reading “Joyful Cubes!”Use a trick to quickly and effortlessly determine the fraction that falls between 3/4 and 4/5.

In 1895, Nicholas Bogdanov-Belsky created the iconic painting “Mental Arithmetic in the Public School of S. Rachinsky,” now a classic. Students are depicted trying to solve the problem on the blackboard: (10²+11²+12²+13²+14²)/365. They seem to be having a great time!

A palindromic number is an integer that remains the same when its digits are reversed. The sum of the reciprocals of all the palindromic numbers in the world converges to approximately *3.3703… *

Some remarkable summation formulas…

Because F* _{n}*→ φ

F_{0} = 1, F_{1} = 1, F* _{n}* = 1, F

Read more: https://mathworld.wolfram.com/FibonacciQ-Matrix.html

Numbers 1 to 32 are placed along the circumference of a circle without repeating any number and still the sum of any two adjacent numbers in this circle is a perfect square!